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Hot Topic
Deep Space
Alien Life
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| How to Respond When E.T. Says Hello |
| Topic: Alien Life |
04/01/10 |
| Scientists are studying the best ways to compose messages meant for alien eyes in case we ever do get the chance to communicate with extraterrestrials. |
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| Avatar´s New Twist on Plants |
| Topic: Alien Life |
03/04/10 |
| Although they're not nominated for an Academy Award, plants play a central role in the blockbuster movie "Avatar." A botanist provided the science behind how these unusual organisms may have evolved. |
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| Starring Intelligent Aliens |
| Topic: Alien Life |
11/05/09 |
| The most probable place to find intelligent life in the galaxy is around stars very similar to our sun, a new study has found. |
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| Life May Depend on Galaxy |
| Topic: Alien Life |
08/13/09 |
| Intelligent life beyond Earth might not be as dim a hope as many scientists think, according to a new study challenging a widely held anti-ET argument. |
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| The Search for Life in the Universe |
| Topic: Alien Life |
06/01/09 |
| The Space Telescope Science Institute recently held "The Search for Life in the Universe" symposium. Researchers in disciplines ranging from astronomy to astrobiology spoke about studies and space missions directed toward the search for life beyond Earth. |
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| Looking for the Light of Life |
| Topic: Alien Life |
05/28/09 |
| With hundreds of extrasolar planets now discovered, one pressing question is how to tell if life resides on any of this galactic real estate. Researchers have found that a possible biosignature could come from life's preference for molecules of a particular handedness. |
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| Finding Earth's Twin: No Easy Task |
| Topic: Alien Life |
03/02/09 |
| Are there other Earths out there -- rocky planets capable of supporting life, orbiting sun-like stars at comfortable distances? NASA is about to launch a telescope designed to find the answer. |
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| Ice Age Aliens |
| Topic: Alien Life |
02/12/09 |
| The light reflected off of vegetation could be a signal of life on an alien planet. Researchers have now shown that this plant life signal can be seen even if a world is in the midst of an ice age. |
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| Intelligence: A Rare Cosmic Commodity |
| Topic: Alien Life |
04/14/08 |
| A mathematical model taking into account the limited habitable lifespan of the Earth suggests that four evolutionary steps were required for intelligent life to evolve. If this applies to other worlds, intelligent life may be rare in the universe. |
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| Life on Frosted Earths |
| Topic: Alien Life |
01/28/08 |
| The search for life beyond the Earth is closely linked with hunting for habitable worlds. Astronomers have always hoped to find planets in the so-called "Goldilocks zone" around their parent stars, where the temperature is just right. |
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